Lottery ticket having validation data printed in developable inv

Details Lottery ticket having validation data printed in developable inv Lottery ticket having validation data printed in developable inv

1992-10-09

1994-02-15

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing chemical

283 96, 283102, 283901, 283903, B42D 1500

Patent

active

052860612

ABSTRACT:
A game ticket has validation data printed on the ticket substrate in invisible ink. The invisible validation data is capable of being irreversibly rendered visible by application of a developing agent. The ticket also has play indicia printed within the play area of the ticket and a removable layer affixed to the ticket over the game area.

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